L
- Lacamas
- La Center
- Lacey
- La Conner
- La Crosse
- Ladow
- Lafleur
- LaGrande
- Laing
- Lakebay
- Lake Bosworth
- Lake Cavanaugh
- Lake City
- Lakedale
- Lakedale
- Lake Forest North
- Lake Forest Park
- Lake Goodwin
- Lake Hills
- Lake Ketchum
- Lakeland North
- Lakeland South
- Lakeland Village
- Lake Roesiger
- Lake Shore
- Lakeside
- Lake Stevens
- Lakeview
- Lakeview
- Lakewood
- Lakewood
- Lakota
- Lambert
- Lamoine
- Lamona
- Lamont
- Lancaster
- Langley
- Lankner
- La Push
- Larimers Corner
- Latah
- Lauderdale Junction
- Lauer
- Laurel
- Laurelhurst
- Laurier
- Lavender
- Lavilla
- Lavista
- Lawrence
- Laws Corner
- Lawters Beach
- Leadpoint
- Lea Hill
- Leary
- Leavenworth
- Lebam
- Leber
- Lee
- Le Grow
- Leland
- Lemolo
- Leon
- Lester
- Levering
- Levey
- Lewisville
- Lexington
- Liberty
- Liberty Lake
- Lichty
- Lilliwaup
- Lincoln
- Lind
- Lisabeula
- Little Elkhorn
- Little Falls
- Little Oklahoma
- Littlerock
- Livingston
- Lochsloy
- Locke
- Log Cabin Island
- Lona Beach
- Lone Pine
- Long
- Long Beach
- Longbranch
- Long Lake
- Longmire
- Longview
- Longview
- Longview Heights
- Longview Junction
- Loomis
- Loon Lake
- Lopez
- Lost Creek
- Love
- Loveland
- Lowden
- Lower Elwha
- Low Gap
- Lucerne
- Lyle
- Lyman
- Lynden
- Lynnwood